Map generator, Lua

Map generator

--[[
    -Map generator
        Scripted by: DmilkaSTD-
                                                                                                        ]]

--[[Sky]] local sky = "."
--[[Materials]] local materials = {
    ["Grass"] = "#",
    ["Water"] = "~",
    ["Rock"] = "*" }

--[[Pixels]] local screen = {
    -- 5 layer
    ["5,1"] = sky, ["5,2"] = sky, ["5,3"] = sky, ["5,4"] = sky, ["5,5"] = sky,
    ["5,6"] = sky, ["5,7"] = sky, ["5,8"] = sky, ["5,9"] = sky, ["5,10"] = sky,
    
    --4 layer
    ["4,1"] = sky, ["4,2"] = sky, ["4,3"] = sky, ["4,4"] = sky, ["4,5"] = sky,
    ["4,6"] = sky, ["4,7"] = sky, ["4,8"] = sky, ["4,9"] = sky, ["4,10"] = sky,
    
    -- 3 layer
    ["3,1"] = sky, ["3,2"] = sky, ["3,3"] = sky, ["3,4"] = sky, ["3,5"] = sky,
    ["3,6"] = sky, ["3,7"] = sky, ["3,8"] = sky, ["3,9"] = sky, ["3,10"] = sky,
    
    -- 2 layer
    ["2,1"] = sky, ["2,2"] = sky, ["2,3"] = sky, ["2,4"] = sky, ["2,5"] = sky,
    ["2,6"] = sky, ["2,7"] = sky, ["2,8"] = sky, ["2,9"] = sky, ["2,10"] = sky,
    
    -- 1 layer
    ["1,1"] = sky, ["1,2"] = sky, ["1,3"] = sky, ["1,4"] = sky, ["1,5"] = sky,
    ["1,6"] = sky, ["1,7"] = sky, ["1,8"] = sky, ["1,9"] = sky, ["1,10"] = sky, }

--[[Max vertical size for grass generation]] local grassVerticalGeneration = 3

local yearTwoDigit = tonumber(os.date("%y"))
local dayInMonth = tonumber(os.date("%d"))
local dayInWeek = tonumber(os.date("%w"))
local hour = tonumber(os.date("%H"))
local second = tonumber(os.date("%S"))
local minute = tonumber(os.date("%M"))
local seed = 5

function mod(n, m)
    x = n
    while x > m do
        x = x / 10
    end
    return x
end

-- GRASS GENERATION --
for y = 1, grassVerticalGeneration do
    for x = 1, 10 do
        if mod(math.floor(minute / second * hour + yearTwoDigit - dayInWeek + dayInMonth + seed), 50) < 15 + yearTwoDigit / second + dayInWeek then
            screen[tostring(y) .. "," .. tostring(x)] = materials["Grass"]
            if y~=1 then
                if screen[tostring(y - 1) .. "," .. tostring(x)] ~= materials["Grass"] then
                    screen[tostring(y) .. "," .. tostring(x)] = materials["Rock"]
                end
            end
        else  -- WATER GENERATION --
            screen[tostring(y) .. "," .. tostring(x)] = materials["Water"]
        end
        seed = minute / second * hour + seed
    end
    seed = 0
end

-- RENDER --
print("If the map doesnt change, try waiting some time.")
for y = 1, 5 do
    local output = ""
    for x = 1, 10 do
        output = output .. screen[tostring(math.abs((y - 1) - 5)) .. "," .. tostring(x)]
    end
    print(output)
end
print("\nStats {\n   sky = " .. sky .. "\n   grass = " .. materials["Grass"] .. "\n   water = " .. materials["Water"] .. "\n   rock = " .. materials["Rock"] .. "}")


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